Model | | 2L-AK | | Input | | Built in 9V battery | | Feature | | No power supply | | output | | Alarm Buzzer | | Function | | Alarm Buzzer | | SIZE | | 82×160×63 (H×W×D) | | Model | | 2L-WS | | Input | | Less than DC48V 1A (A Contact Point) Less than DC48V 1A (B Contact Point) ) | | Feature | | Float type lead S/W | | Function | | Water level controller s/w | | SIZE | | 29Φ ×128 × 5M | | Material | | HEAD - P/P FLOAT- P/P | | | |
| ▶ | 2L-WS is an upgraded version of the Floatless sensor, Float Sensor and Quick Sensor, which can be installed and operated easily, added additional function of water level sensors in humid and cramped area, and activate when submerges under water. | |
| ▶ ▶ ▶ ▶ ▶ | Various kinds of water tank, final water drainage, and waste water. Underground water, sea water, distilled water and purified water. Humid and cramped area. Water level controller and alarm for water tanks. | ▣ | The On-Off width of water sensor is 1cm. | ▣ | The On-position of the sensor is 1cm below water level based on marked area of TwoLineLevel label. | ▣ | In testing the sensor, it will be ON if held up and OFF if held down (A" contact point) | | | | | ◆ ◆ ◆ ◆ ◆ | Cannot be used for oil tank. Cannot be used for pressure tank Use below the temperature of 70°C Use contact point under 48V DC and 1A. Can be used in weak acid water. | | | | ▶ | 2L-AK, which doesn't need power supply by using 2L-WS sensor, can be easily installed in machine rooms, storage, basement tank, etc and can prevent flooding with its powerful alarm. | | Usage | Instruction | Basement Water Tank | Use 9V(6F22) battery | Basement Draining | Change batteries once a year | Basement Water-purifier Tank | Alarms for 5 hours. | Rooftop Tank | Use Quick Sensor for water-purifier Tank | Underground Water
| Alarm 1~3 units are connected parallel (Waring in caseof short circuit) | Storage | 1~3 alarm can be possible. Connected parallel. | | | | ◆ | When the alarm sounds, unscrew only 1 alarm unit and place back when the alarm terminates, as there is no Off Switch in the Alarm Unit. | | | |
| ◆ | Do not install Alarm Unit in humid areas. | ◆ | Recommended to change batteries once a year. | ◆ | Please check periodically once a month if the alarm works when 2 of 1~3 units have short circuit. | ◆ | When the alarm sounds is low, please replace the batteries. (Recommended once a year) | | Name | ALARM KIT | Model | 2L-AK | Input | Built in 9V battery | Feature | No power supply | Function | Alarm Buzzer | SIZE | 82×160×63 (H×W×D) | | |